Photo journal: Rise and fall of mass production

In the last year many Americans have accepted the reality of global warming, and the demand for green vehicles has grown.

Toyota sells 100,000 Prius hybrids a year and is rolling the hybrid technology out across its entire range.

Both Ford and GM revealed electric-powered concept cars at the 2007 Detroit Motor Show, but they may be years away from mass production.

Photos: Phil Coomes

Words: Steve Schifferes